Home / 13,486,587.30-20,229,880.95-7,723,404.90

Finding the Fourth Proportional to 13,486,587.30, 20,229,880.95 and 7,723,404.90

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Solution

The fourth proportional to 13,486,587.30, 20,229,880.95 and 7,723,404.90 is: 11,585,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,587.30 : 20,229,880.95 = 7,723,404.90 : x
  2. Step 2: Convert to fraction form
    13,486,587.30/20,229,880.95 = 7,723,404.90/x
  3. Step 3: Cross multiply
    13,486,587.30x = 20,229,880.95 × 7,723,404.90
  4. Step 4: Simplify right side
    13,486,587.30x = 156,243,561,655,646.66
  5. Step 5: Solve for x
    x = 156,243,561,655,646.66/13,486,587.30
  6. Step 6: Final answer
    x = 11,585,107.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.